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Charra [1.4K]
3 years ago
5

A ball is thrown horizontally from a height of 22.3 m and hits the ground with a speed that is 3.00 times its initial speed. wha

t is the speed in the vertical direction just before the ball hits the ground?
Physics
1 answer:
Ronch [10]3 years ago
3 0
Gregergrehtsrhhrththergergrehrthe
folow me on ig 704.qwest
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A 3 kilogram block is sliding across the ground at a velocity of 8 meters per second. What is the momentum of the block?
oksano4ka [1.4K]

Answer:

24 kgm/s

Explanation:

Momentum (p) = mass x velocity

Mass = 3kg , velocity 8m/s

momentum (p) = 3kg x 8m/s

= 24kgm/s

4 0
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A particle with charge q = +5e and mass m = 8.2×10-26 kg is injected horizontally with speed 1.1×106 m/s into the region between
loris [4]

Answer:

d = 1.27m

Explanation:

Given m = 8.2×10-26kg, v = 1.1×10⁶m/s, q = +5e = 5×1.6×10‐¹⁹ C.

E = 49kN/C = 49000N/C

The displacement is given by

d = 1/2× mv²/qE = 1/2 × 8.2×10-²⁶ × (1.1×10⁶)²/(5×1.6×10-¹⁹ ×49000) = 1.27m

3 0
3 years ago
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Which one of the following is a correct statement......
IceJOKER [234]

Answer:

Just 3

Explanation:

I believe the other two are incorrect

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Someone please help me it’s due today
stellarik [79]

Answer:

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I think it’s Ohm’s Law.
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